Genetic Testing Company | The DNA Diagnostic Experts | GeneDx

In observance of the holidays, GeneDx will be closed for business on Thursday, December 25, 2014 and on Thursday, January 1, 2015. We will be unable to receive and process specimens. FedEx and UPS will also not be in operation. Except for the aforementioned dates, GeneDx will operate on our normal schedule (Monday-Saturday), including December 24th and December 31st.  If you have any questions or inquiries, please call us at 301-519-2100 or email us at zebras@genedx.com.

LCA Tier 2

FORMS AND DOCUMENTS

TEST DETAILS

Genes:
CRB1
Disorders:
Clinical Utility:
  • Confirmation of a clinical diagnosis
  • To differentiate LCA from other forms of retinal dystrophy
  • Recurrence risk assessment
  • Prenatal diagnosis
Lab Method:
Capillary Sequencing

ORDERING

Test Code:
2981
Turnaround Time:
6-8 weeks
Preferred Specimen:
2-5 mL Blood - Lavender Top Tube

BILLING

CPT Codes:
81406x1
New York Approved:
No
ABN Required:
Yes
Billing Information:
View Billing Policy
ICD Codes:
  • 743.55: Congenital macular changes
  • 743.53: Chorioretinal degeneration, congenital
  • 362.75: Other dystrophies
  • 362.76: Dystrophies primarily involving the retinal pigment epithelium, Fundus flavimaculatus, Vitelliform dystrophy
  • 362.74: Pigmentary retinal dystrophy, Retinal dystrophy, albipunctate, Retinitis pigmentosa
  • 743.56: Other retinal changes, congenital
* For price inquiries please email zebras@genedx.com

REFERENCES

  1. Hanein S (2004) Hum Mutat 23:306-317
  2. Booij J (2007) J Med Genet 42:67-75
  3. Koenekoop (2005) Ophthalmic Genetics 26:175-179
  4. Morimura H (1998) Proc Natl Acad Sci 95:3088–3093
  5. den Hollander (2004) Hum Mutat 24:355-69
  6. den Hollander (1999) Nat Genet 23:217–221
  7. Bernal S (2003) J Med Genet 40:e89
  8. Sohocki (2000) Mol. Genet. Metab. 70, 142–150
  9. Ito S (2004) Invest Ophthalmol Vis Sci 45(5):1480-5
  10. den Hollander AI (2006) Am J Hum Genet 79(3):556-61
  11. Koenekoop R (2007) Clin and Experimental Ophthalmology 35:473-485
  12. Stone E (2007) Am J Ophthalmol 144(6):791-811
  13. den Hollander AI (2008) Progress in Retinal and Eye Research 27:391-419
  14. den Hollander (2001) Am J Hum Genet 69:198–203
  15. Browne SJ (2006) Invest Ophthalmol Vis Sci 47(1):34-42

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